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B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
B41F23/06—Powdering devices, e.g. for preventing set-off
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FR5723D1905-05-061905-08-02
Compositions to prevent smudging in printing
ExpiredFR5723E
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